diff -r 864726d3157f src/settings_gui.cpp
--- a/src/settings_gui.cpp	Sun Nov 16 10:51:35 2008 +0100
+++ b/src/settings_gui.cpp	Sun Nov 16 11:14:27 2008 +0100
@@ -615,6 +615,8 @@
 	byte num;            ///< Number of entries on the page (statically filled).
 
 	void Init();
+
+	void Draw(GameSettings *patches_ptr, int base_x, int base_y, uint first_row, uint max_row) const;
 };
 
 /* == PatchEntry methods == */
@@ -716,6 +718,21 @@
 		entries[fld].Init();
 }
 
+/**
+ * Draw a selected part of the settings page
+ * @param patches_ptr Pointer to current values of all settings
+ * @param base_x      Left-most position in window/panel to start drawing of each setting row
+ * @param base_y      Upper-most position in window/panel to start drawing of row number \a first_row
+ * @param first_row   Number of first row to draw
+ * @param max_row     Row-number to stop drawing (the row-number of the row below the last row to draw)
+ */
+void PatchPage::Draw(GameSettings *patches_ptr, int base_x, int base_y, uint first_row, uint max_row) const
+{
+	for (uint i = first_row; i < num && i < max_row; i++) {
+		entries[i].Draw(patches_ptr, base_x, base_y);
+		base_y += SETTING_HEIGHT;
+	}
+}
 
 static PatchEntry _patches_ui[] = {
 	PatchEntry("gui.vehicle_speed"),
@@ -917,15 +934,9 @@
 	{
 		const PatchPage *page = &_patches_page[this->page];
 
-		/* Set up selected category */
+		/* Draw selected page */
 		this->DrawWidgets();
-
-		int x = SETTINGTREE_LEFT_OFFSET;
-		int y = SETTINGTREE_TOP_OFFSET;
-		for (uint i = vscroll.pos; i != page->num && i < vscroll.pos + vscroll.cap; i++) {
-			page->entries[i].Draw(patches_ptr, x, y);
-			y += SETTING_HEIGHT;
-		}
+		page->Draw(patches_ptr, SETTINGTREE_LEFT_OFFSET, SETTINGTREE_TOP_OFFSET, vscroll.pos, vscroll.pos + vscroll.cap);
 	}
 
 	virtual void OnClick(Point pt, int widget)